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Old 12-27-2005, 10:54 PM
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Master cylinder disc/drum combo

Doing a frame up restore on a 50 Chevy five window and need help from someone with more knowledge than me on brakes. I've got a TCI IFS with discs on the front and a 10 bolt rear with drums.....can I use a single reservoir master (like the original) or do I need to find a dual. I do not plan on adding a power booster. Thanks for any help.

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Old 12-28-2005, 05:13 AM
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As the Moderator of Suspension - Brakes - Steering, I would like to WELCOME YOU HERE....

There may be a master cylinder for your combination that is a single cylinder and non power BUT I do not know of one. I suggest upgrading to a dual ( for safety reasons ) and a power booster is not very much money in the overall scheme of things.

Good Luck with your 5 window Pick up project.
And again.....WELCOME

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Old 12-28-2005, 06:50 AM
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I completely agree with Deuce. Brakes are a safety issue and there is no reason to use a single reservoir master cylinder. Remember the reason the factories went to dual systems was safety.

I have a similar setup on my truck with GM 11" disks up front and a 10 bolt with drums in the rear. I used a mid 80's Mustang GT power booster and dual reservoir master cylinder along with an adjustable proportioning valve. That system works very well.
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Old 12-28-2005, 07:41 AM
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A 65´-66´ Mustang with discs in the front use a single master and no power.

Some of the 66´Shelby Hertz cars used a special Mico single "power" mastercylinder, lowering pedal force. The Micos is not a vacuum driven booster, but is just a small mc with som fancy piston-in-piston thing inside, making higher than normal output pressure. But without more pedal travel, like if you just used a mc with a smaller piston.
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Old 12-28-2005, 08:55 AM
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you need a dual master cylinder. Period.
that being said, on my truck (46 ford) i run a mid 70's corvette non power master cylinder, stock mustang II calipers, residual (sp) valves front & rear, wilwood adjustable valve for the rears, and the 9 inch ford drums with the smallest bore diameter i could get on the rear. No booster. The truck will stop ! No dive, it just squats & stops
just my .02..................but it works
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Old 12-28-2005, 09:55 AM
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I agree with the dual master suggestions. Also the late 60's early 70's Corvette master cylinder is an excellent choice. They are availiable and can be had new for around $60.

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